public void TestMethod1()
        {
            HomePage homePage = new HomePage(driver);

            if (homePage.Header.UserNameFieldExists())
            {
                homePage.Header.ClickSignOut();
            }
            ContactUsPage contactUsPage = homePage.Header
                                          .ClickContactUs()
                                          .FillContactForm("Customer service",
                                                           "nope", "4321234", "Help!")
                                          .SubmitContactForm();

            bool alertMessageSucces = contactUsPage
                                      .GetAlertMessageSuccess();

            Assert.IsFalse(alertMessageSucces, "Should be false, since we havent " +
                           "filled a correct email address.");
            Assert.IsTrue(contactUsPage.GetAlertMessageText().Contains("Invalid email address"));
        }